'His behaviour surprised me' বাক্যেটির Passive Form হবে-
ক
I surprised at his behaviour
খ
I was surprised with his behaviour
গ
I had been surprised at his behaviour
ঘ
I was surprised at his behaviour
সঠিক উত্তর: I was surprised at his behaviour
Active voice এর Object এর subjective form + was/were + main verb এর past participle form + by/with/at( আচার - আচরণ)/to ইত্যাদি + Active voice এর subject এর objective form + other.